But she and Keir Starmer were warned not to target the poorest and instead make work pay while getting the wealthy to pay their fair share of taxes.
Unite general secretary Sharon Graham said the government was making the "wrong choices" with plans that are government making them."
Labour veteran Diane Abbott warned voters will turn their back on the party if it announces swingeing welfare cuts.
She said: "Being on welfare is very depressing. It's humiliating. It brings you down but I have no sympathy with the idea that the way to get people out of welfare is to cut the money they live on." Abbott also urged the Government to introduce a wealth tax on the super-rich with assets of more than £10million to plug gaps in public finances...